(19)

(11)

EP 2 478 722 A1

(12)

(43) Date of publication: 25.07.2012 Bulletin 2012/30 (21) Application number: 10816520.0 (22) Date of filing: 15.09.2010

(51) International Patent Classification (IPC):  H04W 28/04(2009.01) H04L 1/08(2006.01) (86) International application number: PCT/CA2010/001438 (87) International publication number: WO 2011/032274 (24.03.2011 Gazette 2011/12)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 15.09.2009 US 242557 P 15.09.2009 US 242552 P (71) Applicant: Rockstar Bidco, LP New York, NY 10019-6064 (US)	(72) Inventors: REN, Hong Kanata Ontario K2M 2X2 (CA) CHEN, Xixian Nepean Ontario K2H 8Y8 (CA) YU, Ping Nepean Ontario K2G 5R3 (CA) DUMITRESCU, Mircea Ottawa Ontario K2C 1M3 (CA) (74) Representative: Mackenzie, Andrew Bryan et al Scott & York Intellectual Property Limited 45 Grosvenor Road St. Albans Hertfordshire AL1 3AW St. Albans Hertfordshire AL1 3AW (GB)